@charset "utf-8";

@media screen and (max-width : 768px) {

    #contents_area {
        padding-top: 56px;
        color: #333;
    }

    #main img {
        width: 100%;
        height: auto;
        vertical-align: middle;
    }

    /* ------------------------------------------------------------
    *
        #nav
    *
    ------------------------------------------------------------ */
    #nav {
        position: absolute;
        top: 56px;
        width: 100%;
        height: 106px;
        z-index: 13;
    }

    #nav.fixed {
        position: fixed;
        top: 56px;
        width: 100%;
    } 

    #nav .logo {
        padding: 21px 0;
        width: 100%;
        height: 60px;
        background-color: #F7F8F8;
        box-sizing: border-box;
        text-align: center;
    }

    #nav .logo img {
        margin: 0 auto;
        width: 153px;
    }

    #nav #nav_l {
        padding: 15px 0;
        width: 100%;
        height: 46px;
        background-color: #fff;
        box-sizing: border-box;
    }

    #nav_l .logo_lineup {
        text-align: center;
    }

    #nav_l .logo_lineup img{
        width: 108px;
    }

    #nav .nav_ico {
        position: absolute;
        top: 60px;
        right: 0;
        display: block;
        width: 46px;
        height: 46px;
        cursor: pointer;
        z-index: 14;
    }

    .nav_ico .line {
        display: block;
        margin: 15px 15px 0;
        width: 18px;
        border-top: 2px solid #444;
        -webkit-transition: all 0.2s;
        transition: all 0.2s;
      }

      .nav_ico .line + .line {
        margin-top: 6px;
      }

    #nav .nav_ico.on {
        z-index: 10000;
    }

    #nav .nav_ico.on .line {
        display: none;
    }

    #nav .nav_ico.on::after {
        position: absolute;
        top: 17px;
        left: 15px;
        content: "";
        width: 0px;
        height: 0px;
        border-left: 6px solid transparent;
        border-right: 6px solid transparent;
        border-top: 10px solid #666;
        -webkit-transform: rotate(180deg);
        transform: rotate(180deg);
        transition: all .2s ease-in;
    }

    #nav_list {
        width: 100%;
        float: none;
        visibility: hidden;
        position: absolute;
        top: 60px;
        left: 0;
        z-index: 9990;
        background: #ececec;
    }

    #nav_list #nav_list_inner {
        display: none;
        overflow-y: scroll;
        overflow-x: hidden !important;
        -webkit-overflow-scrolling: touch;
        position: relative;
        z-index: 10000;
    }

    .nav_list {
        margin: 0 auto;
        padding: 40px 0 28vw;
        max-width: 238px;
    }

    .nav_list li.parents {
        position: relative;
        padding-bottom: 10px;
    }

    .nav_list li:not(:last-child).parents:after {
        position: absolute;
        bottom: 0;
        content: "";
        width: 100%;
        height: 1.5px;
        background: linear-gradient(0deg, #c31c24 0%, #c51a22 36.8132%, rgba(92,0,10,1) 100%);
    }

    .nav_list li p {
        margin: 22px 0 15px;
        padding-left: 5px;
        color: #c51a22;
        font-size: 20px;
        font-weight: bold;
    }

    .nav_list li.engine p {
        margin-bottom: 10px;
    }

    .nav_list li ul li {
        margin-bottom: 5px;
        padding-left: 5px;
    }

    #nav_list li a {
        display: block;
        padding-left: 12px;
        text-indent: -12px;
        color: #333;
        font-size: 16px;
        line-height: 1.7;
    }

    .nav_list li ul li,#nav_list li ul li a {
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
        -webkit-transform-style: preserve-3d;
        transform-style: preserve-3d;
    }

    #nav .nav_list li.current a {
        color: #c51a22;
        text-decoration: underline;
    }

    .nav_list li ul li a:before {
        position: relative;
        top: 2px;
        display: inline-block;
        margin-right: 5px;
        content: "";
        width: 8px;
        height: 13px;
        background: url(../image_common/parts_ico_ap_arrow.png) no-repeat;
        background-size: 8px auto;
    }

    .nav_list li ul.ac_parts_list li a:before {
        background: url(../image_common/parts_ico_ac_arrow.png) no-repeat;
        background-size: 8px auto;
    }

    .nav_list ul.ap_parts_list li.current a:before {
        background: url(../image_common/parts_ico_red_arrow.png) no-repeat;
        background-size: 8px auto;
    }

    .ac_parts_list {
        margin-top: 13px;
        padding-top: 15px;
        position: relative;
    }

    .ac_parts_list:before {
        position: absolute;
        top: 0;
        left: 16px;
        display: block;
        content: "";
        width: 216px;
        height: 1.5px;
        background: linear-gradient(0deg, #fff 0%, #999 100%);
    }

    #nav .nav_list .ac_parts_list li {
        margin-bottom: 8px;
    }

    #nav .nav_list .ac_parts_list a {
        color: #666;
        line-height: 1.6;
    }

    #nav .overlay {
        width: 100%;
        height: 100%;
        background-color: #ececec;
        position: fixed;
        top: 167px;
        left: 0;
        z-index: 1;
    }

    #nav.fixed .overlay {
        top: 114px;
    }

    /* ------------------------------------------------------------
    *
        #main
    *
    ------------------------------------------------------------ */
    #main {
        padding-top: 106px;
    }
    
    .main_in {
        padding: 0 15px;
    }

    .section {
        margin-bottom: 0;
        background-color: #fff;
    }

    .section h2 {
        margin-bottom: 30px;
        font-size: 17px;
        font-weight: bold;
        line-height: 1.65;
    }

    .section h3 {
        margin: 0 0 25px 0;
		padding: 0 15px;
        text-align: left;
    }

    #main .desc {
        font-size: 16px;
        line-height: 1.6;
    }

    .center {
        text-align: center;
    }

    .section_column {
        margin-bottom: 0;
        line-height: 1.9em;
    }

    .section_column h4 {
        font-size: 18px;
    }

    .section_column .col_left,
    .section_column .col_right {
        margin-bottom: 18px !important;
    }

    .section_column .col_right {
        padding-left: 16px;
    }

    .section_column .desc {
        line-height: 1.8;
        letter-spacing: 1px;
    }

    .section_column .caution {
        font-size: 12px;
        padding: 4px 4px 0;
        text-align: left;
        line-height: 1.7;
    }

    .block {
        margin-bottom: 32px;
    }

    .bg_gray {
        background-color: #eee;
    }

    /* ------------------------------------------------------------
    *
        title
    *
    ------------------------------------------------------------ */

    .m_head {
        margin: 10px 0 28px;
        padding: 0 15px;
    }

    .m_head h1 {
        margin-bottom: 8px;
        padding: 0 4px 6px;
        border-bottom: 2px solid #e40615;
        font-size: 19px;
        font-weight: bold;
        line-height: 1.2;
    }

    .m_head .eng {
        padding-left: 14px;
        font-size: 15px;
        font-weight: normal;
    }

    .m_head_in {
        padding: 0 4px;
    }

    .m_head p {
        font-size: 16px;
        line-height: 1.6;
    }

    .m_head h2 {
        margin-top: 20px;
        padding-bottom: 5px;
        font-size: 17px;
        font-weight: bold;
        line-height: 1.52;
    }

    .m_head .copy {
        margin-top: 7px;
        font-size: 16px;
    }

    .tit_headline {
        margin-bottom: 10px;
        padding-left: 4px;
        border-bottom: 2px solid #e40615;
        font-size: 18px;
        font-weight: bold;
        line-height: 1.8;
    }

    .tit_headline span {
        font-size: 12px;
        line-height: 1;
    }

    .tit_headline .up {
        display: block;
    }

    .tit_square {
        position: relative;
        margin-bottom: 15px;
        color: #c51a22;
        font-size: 15px;
        font-weight: bold;
        line-height: 1.3;
    }

    .tit_square span {
        position: relative;
        display: inline-block;
        padding-right: 10px;
        background-color: #fff;
        z-index: 1;
    }

    .tit_square::after {
        position: absolute;
        top: 43%;
        left: 0;
        content: "";
        width: 100%;
        height: 1px;
        background-color: #c51a22;
        transform: translateY(-50%);

    }

    .section .tit_leftline {
        margin-bottom: 12px;
        padding-left: 16px;
        border-left: 2px solid #e40615;
        font-size: 14px;
        font-weight: bold;
        line-height: 1.45;
    }

    /*------ .box ------*/

    .box {
        position: relative;
        margin-bottom: 32px;
        padding: 23px 19px 25px;
        border: 2px solid #e6e6e6;
        border-radius: 10px;
        box-sizing: border-box;
    }

    .box_info {
        padding-left: 4px;
        font-size: 16px;
        line-height: 1.6;
    }

    .box_info .img {
        text-align: center;
    }

    .box_info .img img {
        max-width: 42%;
    }

    .box .cap {
        margin-bottom: 10px;
    }

    .box .cap li:not(.no_disc) {
        padding-left: 14px;
        text-indent: -14px;
    }

    .box .cap .no_disc {
        padding-left: 14px;
        font-size: 16px;
        line-height: 1.4;
    }

    .txt_red {
        color: #e40615;
    }

    .caution {
        font-size: 12px;
        line-height: 1.5;
    }

    .caution li{
        padding-left: 12px;
        text-indent: -12px;
    }

    .bg_box {
        margin-top: 14px;
        padding: 15px 16px 15px;
        background-color: #f2f2f2;
    }

    .bg_box h4 {
        margin-bottom: 12px;
        padding-left: 2px;
        color: #4d4d4d;
        font-size: 18px;
        font-weight: bold;
        line-height: 1.2;
    }

    .bg_box .desc {
        font-size: 16px !important;
        line-height: 1.5;
    }

    .bg_box .desc:not(:last-of-type) {
        margin-bottom: 15px;
    }

    .bg_box .caution {
        margin-top: 15px;
        line-height: 1.7;
    }

    .bg_box .caution p {
        padding-left: 12px;
        text-indent: -12px;
    }


    /* ------------------------------------------------------------
    *
        #search
    *
    ------------------------------------------------------------ */

    
    #search {
        margin-top: 40px;
        padding: 25px 0;
        font-size: 16px;
        text-align: center;
        line-height: 1.6;
    }

    .search_img img {
        position: relative;
        top: 8px;
        max-width: 54%;
        vertical-align: bottom;
    }

    .search_btn {
        margin: 18px 0 0;
    }

    .search_btn img {
        position: relative;
        z-index: 1;
        max-width: 80%;
    }


    

}